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Seasonal variation of membrane fluidity of the naturally acclimatized Baltic Sea amphipods Gammarus spp. and Monoporeia affinis
Lahdes, E.O.; Kivivuori, L.A.; Lehti-Koivunen, S.M. (2000). Seasonal variation of membrane fluidity of the naturally acclimatized Baltic Sea amphipods Gammarus spp. and Monoporeia affinis. Mar. Biol. (Berl.) 137(2): 223-229. http://hdl.handle.net/10.1007/s002270000341
In: Marine Biology. Springer: Heidelberg; Berlin. ISSN 0025-3162, more
Peer reviewed article  

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Keyword
    Marine

Authors  Top 
  • Lahdes, E.O.
  • Kivivuori, L.A.
  • Lehti-Koivunen, S.M.

Abstract
    The membrane fluidity of the Baltic Sea crustaceans Gammarus spp. and Monoporeia affinis was studied in different seasons. Gammarus spp. were collected at a location with stable salinity and with temperature fluctuations from about 0 to 20?°C, and M. affinis at a deep location with stable salinity and a constant low temperature of about 1.5 to 4.5?°C. The membrane fluidity was measured from preparations enriched with plasma and mitochondrial membranes employing a fluorescence polarization technique using 1,6-diphenyl-1,3,5-hexatriene (DPH) as a probe. The measurements were carried out without any preceding acclimation of the animals. In Gammarus spp., the membrane fluidity increased in the order: summer animals?

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